38988977 has 2 divisors, whose sum is σ = 38988978. Its totient is φ = 38988976.

The previous prime is 38988959. The next prime is 38989033. The reversal of 38988977 is 77988983.

38988977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31854736 + 7134241 = 5644^2 + 2671^2 .

It is a cyclic number.

It is not a de Polignac number, because 38988977 - 2⁸ = 38988721 is a prime.

It is not a weakly prime, because it can be changed into another prime (38988077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19494488 + 19494489.

It is an arithmetic number, because the mean of its divisors is an integer number (19494489).

Almost surely, 2^38988977 is an apocalyptic number.

It is an amenable number.

38988977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38988977 is an equidigital number, since it uses as much as digits as its factorization.

38988977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 38988977 is about 6244.1153897089. The cubic root of 38988977 is about 339.0891914415.

The spelling of 38988977 in words is "thirty-eight million, nine hundred eighty-eight thousand, nine hundred seventy-seven".